#!/bin/bash
c=1
start=$(date +%s)
while [ $c -le 50 ]
do
      	echo $c;
	dtncp /root/test/testfile/20MB dtn://city.bytewalla.com
	#sleep 5;       
        (( c++ ))
done
end=$(date +%s)
diff=$(($end - $start))
echo $diff

